Final answer:
Wait 10 - 20 minutes after a resident drinks a cup of coffee before taking their oral temperature to ensure accuracy.
Step-by-step explanation:
If a resident has just finished drinking a cup of coffee, it is advisable to wait before taking the resident's oral temperature to ensure an accurate reading. The recommended wait time is D. 10 - 20 minutes after consuming hot or cold beverages. This wait time allows the oral cavity to return to its baseline temperature, providing a reliable measurement.